Gamestop is having a sale on used games, Buy 2 Get 1 Free! The offer is good on used games and accessories and as always, is applied to the lowest priced item. The deal is available both in store and online (online users enter code: B2G1Free at checkout). The sale is on from today, November 25th to November 29th.

Some titles found online that you could include in your B2G1 deal are: Madden NFL 09 (PS3) for $14.99, Call of Duty: World at War (PS3) for $34.99, Fallout 3 (PS3) for $32.99, Call of Duty 4: Modern Warfare (Xbox 360) for $27.99.